package com.yitianyigexiangfa.designpattern.facade.hometheater.subsystem;

/**
 * @author Bill Lau
 * @date 2018-01-18
 */
public class Screen {

    public void up(){
        System.out.println("Screen up");
    }

    public void down(){
        System.out.println("Screen down");
    }

    @Override
    public String toString() {
        return "Screen";
    }
}
